"He [Roberto Martinez] has worked with him before and knows what he is all about," Sharp said to evertontv.

"We have talked about Roberto Martinez and what different ideas he is going to bring to Everton, so he could play in the back as a third centre-back. We will have to wait and see what the manager decides to do with him.

"If we are looking at the left-back position, he can fill in there if he must, so I think it's a good acquisition."